摘要：numpy处理数值,但是pandas除了处理数值之外(基于numpy),还能处理其他类型数据。 pandas常用数据类型 Series一维,带标签数组 DataFrame二维,Series容器 Series创建 In [97]: import pandas as pd In [98]: pd.Ser 阅读全文

摘要：数据类型 import numpy as np import random t1 = np.array([1, 2, 3]) print(t1, type(t1)) # [1 2 3] <class 'numpy.ndarray'> t2 = np.array(range(5)) print(t2, 阅读全文

摘要：折线图 from matplotlib import pyplot as plt, font_manager import random x = range(2, 26, 2) y = [14, 14.5, 15, 16, 18, 20, 22, 23, 24, 25, 17, 13] # 图片尺寸 阅读全文